diff --git a/src/render/direct3d11/SDL_render_d3d11.c b/src/render/direct3d11/SDL_render_d3d11.c index b9b3a3c0b..caa875599 100644 --- a/src/render/direct3d11/SDL_render_d3d11.c +++ b/src/render/direct3d11/SDL_render_d3d11.c @@ -929,6 +929,36 @@ D3D11_CreateDeviceResources(SDL_Renderer * renderer) ID3D11DeviceContext *d3dContext = NULL; IDXGIDevice1 *dxgiDevice = NULL; HRESULT result = S_OK; + UINT creationFlags; + const char *hint; + + /* This array defines the set of DirectX hardware feature levels this app will support. + * Note the ordering should be preserved. + * Don't forget to declare your application's minimum required feature level in its + * description. All applications are assumed to support 9.1 unless otherwise stated. + */ + D3D_FEATURE_LEVEL featureLevels[] = + { + D3D_FEATURE_LEVEL_11_1, + D3D_FEATURE_LEVEL_11_0, + D3D_FEATURE_LEVEL_10_1, + D3D_FEATURE_LEVEL_10_0, + D3D_FEATURE_LEVEL_9_3, + D3D_FEATURE_LEVEL_9_2, + D3D_FEATURE_LEVEL_9_1 + }; + + /* Declare how the input layout for SDL's vertex shader will be setup: */ + const D3D11_INPUT_ELEMENT_DESC vertexDesc[] = + { + { "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 }, + { "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 12, D3D11_INPUT_PER_VERTEX_DATA, 0 }, + { "COLOR", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, 20, D3D11_INPUT_PER_VERTEX_DATA, 0 }, + }; + + D3D11_BUFFER_DESC constantBufferDesc; + D3D11_SAMPLER_DESC samplerDesc; + D3D11_RASTERIZER_DESC rasterDesc; #ifdef __WINRT__ CreateDXGIFactoryFunc = CreateDXGIFactory; @@ -975,30 +1005,14 @@ D3D11_CreateDeviceResources(SDL_Renderer * renderer) /* This flag adds support for surfaces with a different color channel ordering * than the API default. It is required for compatibility with Direct2D. */ - UINT creationFlags = D3D11_CREATE_DEVICE_BGRA_SUPPORT; + creationFlags = D3D11_CREATE_DEVICE_BGRA_SUPPORT; /* Make sure Direct3D's debugging feature gets used, if the app requests it. */ - const char *hint = SDL_GetHint(SDL_HINT_RENDER_DIRECT3D11_DEBUG); + hint = SDL_GetHint(SDL_HINT_RENDER_DIRECT3D11_DEBUG); if (hint && SDL_atoi(hint) > 0) { creationFlags |= D3D11_CREATE_DEVICE_DEBUG; } - /* This array defines the set of DirectX hardware feature levels this app will support. - * Note the ordering should be preserved. - * Don't forget to declare your application's minimum required feature level in its - * description. All applications are assumed to support 9.1 unless otherwise stated. - */ - D3D_FEATURE_LEVEL featureLevels[] = - { - D3D_FEATURE_LEVEL_11_1, - D3D_FEATURE_LEVEL_11_0, - D3D_FEATURE_LEVEL_10_1, - D3D_FEATURE_LEVEL_10_0, - D3D_FEATURE_LEVEL_9_3, - D3D_FEATURE_LEVEL_9_2, - D3D_FEATURE_LEVEL_9_1 - }; - /* Create the Direct3D 11 API device object and a corresponding context. */ result = D3D11CreateDeviceFunc( data->dxgiAdapter, @@ -1087,13 +1101,6 @@ D3D11_CreateDeviceResources(SDL_Renderer * renderer) } /* Create an input layout for SDL's vertex shader: */ - const D3D11_INPUT_ELEMENT_DESC vertexDesc[] = - { - { "POSITION", 0, DXGI_FORMAT_R32G32B32_FLOAT, 0, 0, D3D11_INPUT_PER_VERTEX_DATA, 0 }, - { "TEXCOORD", 0, DXGI_FORMAT_R32G32_FLOAT, 0, 12, D3D11_INPUT_PER_VERTEX_DATA, 0 }, - { "COLOR", 0, DXGI_FORMAT_R32G32B32A32_FLOAT, 0, 20, D3D11_INPUT_PER_VERTEX_DATA, 0 }, - }; - result = ID3D11Device_CreateInputLayout(data->d3dDevice, vertexDesc, ARRAYSIZE(vertexDesc), @@ -1141,7 +1148,6 @@ D3D11_CreateDeviceResources(SDL_Renderer * renderer) } /* Setup space to hold vertex shader constants: */ - D3D11_BUFFER_DESC constantBufferDesc; SDL_zero(constantBufferDesc); constantBufferDesc.ByteWidth = sizeof(VertexShaderConstants); constantBufferDesc.Usage = D3D11_USAGE_DEFAULT; @@ -1157,7 +1163,6 @@ D3D11_CreateDeviceResources(SDL_Renderer * renderer) } /* Create samplers to use when drawing textures: */ - D3D11_SAMPLER_DESC samplerDesc; SDL_zero(samplerDesc); samplerDesc.Filter = D3D11_FILTER_MIN_MAG_MIP_POINT; samplerDesc.AddressU = D3D11_TEXTURE_ADDRESS_CLAMP; @@ -1188,7 +1193,6 @@ D3D11_CreateDeviceResources(SDL_Renderer * renderer) } /* Setup Direct3D rasterizer states */ - D3D11_RASTERIZER_DESC rasterDesc; SDL_zero(rasterDesc); rasterDesc.AntialiasedLineEnable = FALSE; rasterDesc.CullMode = D3D11_CULL_NONE; @@ -1500,6 +1504,7 @@ D3D11_CreateWindowSizeDependentResources(SDL_Renderer * renderer) ID3D11Texture2D *backBuffer = NULL; HRESULT result = S_OK; int w, h; + BOOL swapDimensions; /* Release the previous render target view */ D3D11_ReleaseMainRenderTargetView(renderer); @@ -1512,9 +1517,9 @@ D3D11_CreateWindowSizeDependentResources(SDL_Renderer * renderer) data->rotation = D3D11_GetCurrentRotation(); #if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP - const BOOL swapDimensions = FALSE; + swapDimensions = FALSE; #else - const BOOL swapDimensions = D3D11_IsDisplayRotated90Degrees(data->rotation); + swapDimensions = D3D11_IsDisplayRotated90Degrees(data->rotation); #endif if (swapDimensions) { int tmp = w; @@ -1646,6 +1651,9 @@ D3D11_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture) D3D11_TextureData *textureData; HRESULT result; DXGI_FORMAT textureFormat = SDLPixelFormatToDXGIFormat(texture->format); + D3D11_TEXTURE2D_DESC textureDesc; + D3D11_SHADER_RESOURCE_VIEW_DESC resourceViewDesc; + if (textureFormat == SDL_PIXELFORMAT_UNKNOWN) { return SDL_SetError("%s, An unsupported SDL pixel format (0x%x) was specified", __FUNCTION__, texture->format); @@ -1660,7 +1668,6 @@ D3D11_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture) texture->driverdata = textureData; - D3D11_TEXTURE2D_DESC textureDesc; SDL_zero(textureDesc); textureDesc.Width = texture->w; textureDesc.Height = texture->h; @@ -1726,7 +1733,6 @@ D3D11_CreateTexture(SDL_Renderer * renderer, SDL_Texture * texture) } } - D3D11_SHADER_RESOURCE_VIEW_DESC resourceViewDesc; resourceViewDesc.Format = textureDesc.Format; resourceViewDesc.ViewDimension = D3D11_SRV_DIMENSION_TEXTURE2D; resourceViewDesc.Texture2D.MostDetailedMip = 0; @@ -1817,9 +1823,10 @@ D3D11_UpdateTextureInternal(D3D11_RenderData *rendererData, ID3D11Texture2D *tex int row; UINT length; HRESULT result; + D3D11_TEXTURE2D_DESC stagingTextureDesc; + D3D11_MAPPED_SUBRESOURCE textureMemory; /* Create a 'staging' texture, which will be used to write to a portion of the main texture. */ - D3D11_TEXTURE2D_DESC stagingTextureDesc; ID3D11Texture2D_GetDesc(texture, &stagingTextureDesc); stagingTextureDesc.Width = w; stagingTextureDesc.Height = h; @@ -1837,7 +1844,6 @@ D3D11_UpdateTextureInternal(D3D11_RenderData *rendererData, ID3D11Texture2D *tex } /* Get a write-only pointer to data in the staging texture: */ - D3D11_MAPPED_SUBRESOURCE textureMemory; result = ID3D11DeviceContext_Map(rendererData->d3dContext, (ID3D11Resource *)stagingTexture, 0, @@ -1959,6 +1965,8 @@ D3D11_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture, D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata; D3D11_TextureData *textureData = (D3D11_TextureData *) texture->driverdata; HRESULT result = S_OK; + D3D11_TEXTURE2D_DESC stagingTextureDesc; + D3D11_MAPPED_SUBRESOURCE textureMemory; if (!textureData) { SDL_SetError("Texture is not currently available"); @@ -1994,7 +2002,6 @@ D3D11_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture, * * TODO, WinRT: consider avoiding the use of a staging texture in D3D11_LockTexture if/when the entire texture is being updated */ - D3D11_TEXTURE2D_DESC stagingTextureDesc; ID3D11Texture2D_GetDesc(textureData->mainTexture, &stagingTextureDesc); stagingTextureDesc.Width = rect->w; stagingTextureDesc.Height = rect->h; @@ -2012,7 +2019,6 @@ D3D11_LockTexture(SDL_Renderer * renderer, SDL_Texture * texture, } /* Get a write-only pointer to data in the staging texture: */ - D3D11_MAPPED_SUBRESOURCE textureMemory; result = ID3D11DeviceContext_Map(rendererData->d3dContext, (ID3D11Resource *)textureData->stagingTexture, 0, @@ -2082,13 +2088,14 @@ static int D3D11_SetRenderTarget(SDL_Renderer * renderer, SDL_Texture * texture) { D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata; + D3D11_TextureData *textureData = NULL; if (texture == NULL) { rendererData->currentOffscreenRenderTargetView = NULL; return 0; } - D3D11_TextureData *textureData = (D3D11_TextureData *) texture->driverdata; + textureData = (D3D11_TextureData *) texture->driverdata; if (!textureData->mainTextureRenderTargetView) { return SDL_SetError("specified texture is not a render target"); @@ -2124,6 +2131,11 @@ static int D3D11_UpdateViewport(SDL_Renderer * renderer) { D3D11_RenderData *data = (D3D11_RenderData *) renderer->driverdata; + Float4X4 projection; + Float4X4 view; + SDL_FRect orientationAlignedViewport; + BOOL swapDimensions; + D3D11_VIEWPORT viewport; if (renderer->viewport.w == 0 || renderer->viewport.h == 0) { /* If the viewport is empty, assume that it is because @@ -2138,7 +2150,6 @@ D3D11_UpdateViewport(SDL_Renderer * renderer) * default coordinate system) so rotations will be done in the opposite * direction of the DXGI_MODE_ROTATION enumeration. */ - Float4X4 projection; switch (data->rotation) { case DXGI_MODE_ROTATION_IDENTITY: projection = MatrixIdentity(); @@ -2157,7 +2168,6 @@ D3D11_UpdateViewport(SDL_Renderer * renderer) } /* Update the view matrix */ - Float4X4 view; view.m[0][0] = 2.0f / renderer->viewport.w; view.m[0][1] = 0.0f; view.m[0][2] = 0.0f; @@ -2191,8 +2201,7 @@ D3D11_UpdateViewport(SDL_Renderer * renderer) * a landscape mode, for all Windows 8/RT devices, or a portrait mode, * for Windows Phone devices. */ - SDL_FRect orientationAlignedViewport; - const BOOL swapDimensions = D3D11_IsDisplayRotated90Degrees(data->rotation); + swapDimensions = D3D11_IsDisplayRotated90Degrees(data->rotation); if (swapDimensions) { orientationAlignedViewport.x = (float) renderer->viewport.y; orientationAlignedViewport.y = (float) renderer->viewport.x; @@ -2206,7 +2215,6 @@ D3D11_UpdateViewport(SDL_Renderer * renderer) } /* TODO, WinRT: get custom viewports working with non-Landscape modes (Portrait, PortraitFlipped, and LandscapeFlipped) */ - D3D11_VIEWPORT viewport; viewport.TopLeftX = orientationAlignedViewport.x; viewport.TopLeftY = orientationAlignedViewport.y; viewport.Width = orientationAlignedViewport.w; @@ -2281,6 +2289,9 @@ D3D11_UpdateVertexBuffer(SDL_Renderer *renderer, D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata; D3D11_BUFFER_DESC vertexBufferDesc; HRESULT result = S_OK; + D3D11_SUBRESOURCE_DATA vertexBufferData; + const UINT stride = sizeof(VertexPositionColor); + const UINT offset = 0; if (rendererData->vertexBuffer) { ID3D11Buffer_GetDesc(rendererData->vertexBuffer, &vertexBufferDesc); @@ -2311,7 +2322,6 @@ D3D11_UpdateVertexBuffer(SDL_Renderer *renderer, vertexBufferDesc.BindFlags = D3D11_BIND_VERTEX_BUFFER; vertexBufferDesc.CPUAccessFlags = D3D11_CPU_ACCESS_WRITE; - D3D11_SUBRESOURCE_DATA vertexBufferData; SDL_zero(vertexBufferData); vertexBufferData.pSysMem = vertexData; vertexBufferData.SysMemPitch = 0; @@ -2327,8 +2337,6 @@ D3D11_UpdateVertexBuffer(SDL_Renderer *renderer, return -1; } - UINT stride = sizeof(VertexPositionColor); - UINT offset = 0; ID3D11DeviceContext_IASetVertexBuffers(rendererData->d3dContext, 0, 1, @@ -2345,6 +2353,7 @@ static void D3D11_RenderStartDrawOp(SDL_Renderer * renderer) { D3D11_RenderData *rendererData = (D3D11_RenderData *)renderer->driverdata; + ID3D11RasterizerState *rasterizerState; ID3D11RenderTargetView *renderTargetView = D3D11_GetCurrentRenderTargetView(renderer); if (renderTargetView != rendererData->currentRenderTargetView) { ID3D11DeviceContext_OMSetRenderTargets(rendererData->d3dContext, @@ -2355,7 +2364,6 @@ D3D11_RenderStartDrawOp(SDL_Renderer * renderer) rendererData->currentRenderTargetView = renderTargetView; } - ID3D11RasterizerState *rasterizerState; if (SDL_RectEmpty(&renderer->clip_rect)) { rasterizerState = rendererData->mainRasterizer; } else { @@ -2437,14 +2445,16 @@ D3D11_RenderDrawPoints(SDL_Renderer * renderer, { D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata; float r, g, b, a; + VertexPositionColor *vertices; + int i; r = (float)(renderer->r / 255.0f); g = (float)(renderer->g / 255.0f); b = (float)(renderer->b / 255.0f); a = (float)(renderer->a / 255.0f); - VertexPositionColor * vertices = SDL_stack_alloc(VertexPositionColor, count); - for (int i = 0; i < min(count, 128); ++i) { + vertices = SDL_stack_alloc(VertexPositionColor, count); + for (i = 0; i < min(count, 128); ++i) { const VertexPositionColor v = { { points[i].x, points[i].y, 0.0f }, { 0.0f, 0.0f }, { r, g, b, a } }; vertices[i] = v; } @@ -2474,14 +2484,16 @@ D3D11_RenderDrawLines(SDL_Renderer * renderer, { D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata; float r, g, b, a; + VertexPositionColor *vertices; + int i; r = (float)(renderer->r / 255.0f); g = (float)(renderer->g / 255.0f); b = (float)(renderer->b / 255.0f); a = (float)(renderer->a / 255.0f); - VertexPositionColor * vertices = SDL_stack_alloc(VertexPositionColor, count); - for (int i = 0; i < count; ++i) { + vertices = SDL_stack_alloc(VertexPositionColor, count); + for (i = 0; i < count; ++i) { const VertexPositionColor v = { { points[i].x, points[i].y, 0.0f }, { 0.0f, 0.0f }, { r, g, b, a } }; vertices[i] = v; } @@ -2511,22 +2523,23 @@ D3D11_RenderFillRects(SDL_Renderer * renderer, { D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata; float r, g, b, a; + int i; r = (float)(renderer->r / 255.0f); g = (float)(renderer->g / 255.0f); b = (float)(renderer->b / 255.0f); a = (float)(renderer->a / 255.0f); - for (int i = 0; i < count; ++i) { - D3D11_RenderStartDrawOp(renderer); - D3D11_RenderSetBlendMode(renderer, renderer->blendMode); - + for (i = 0; i < count; ++i) { VertexPositionColor vertices[] = { { { rects[i].x, rects[i].y, 0.0f }, { 0.0f, 0.0f}, {r, g, b, a} }, { { rects[i].x, rects[i].y + rects[i].h, 0.0f }, { 0.0f, 0.0f }, { r, g, b, a } }, { { rects[i].x + rects[i].w, rects[i].y, 0.0f }, { 0.0f, 0.0f }, { r, g, b, a } }, { { rects[i].x + rects[i].w, rects[i].y + rects[i].h, 0.0f }, { 0.0f, 0.0f }, { r, g, b, a } }, }; + + D3D11_RenderStartDrawOp(renderer); + D3D11_RenderSetBlendMode(renderer, renderer->blendMode); if (D3D11_UpdateVertexBuffer(renderer, vertices, sizeof(vertices)) != 0) { return -1; } @@ -2566,39 +2579,65 @@ D3D11_RenderCopy(SDL_Renderer * renderer, SDL_Texture * texture, { D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata; D3D11_TextureData *textureData = (D3D11_TextureData *) texture->driverdata; + float minu, maxu, minv, maxv; + Float4 color; + VertexPositionColor vertices[4]; + ID3D11SamplerState *textureSampler; D3D11_RenderStartDrawOp(renderer); D3D11_RenderSetBlendMode(renderer, texture->blendMode); - float minu = (float) srcrect->x / texture->w; - float maxu = (float) (srcrect->x + srcrect->w) / texture->w; - float minv = (float) srcrect->y / texture->h; - float maxv = (float) (srcrect->y + srcrect->h) / texture->h; + minu = (float) srcrect->x / texture->w; + maxu = (float) (srcrect->x + srcrect->w) / texture->w; + minv = (float) srcrect->y / texture->h; + maxv = (float) (srcrect->y + srcrect->h) / texture->h; - float r = 1.0f; - float g = 1.0f; - float b = 1.0f; - float a = 1.0f; + color.x = 1.0f; /* red */ + color.y = 1.0f; /* green */ + color.z = 1.0f; /* blue */ + color.w = 1.0f; /* alpha */ if (texture->modMode & SDL_TEXTUREMODULATE_COLOR) { - r = (float)(texture->r / 255.0f); - g = (float)(texture->g / 255.0f); - b = (float)(texture->b / 255.0f); + color.x = (float)(texture->r / 255.0f); /* red */ + color.y = (float)(texture->g / 255.0f); /* green */ + color.z = (float)(texture->b / 255.0f); /* blue */ } if (texture->modMode & SDL_TEXTUREMODULATE_ALPHA) { - a = (float)(texture->a / 255.0f); + color.w = (float)(texture->a / 255.0f); /* alpha */ } - VertexPositionColor vertices[] = { - { { dstrect->x, dstrect->y, 0.0f }, { minu, minv }, { r, g, b, a } }, - { { dstrect->x, dstrect->y + dstrect->h, 0.0f }, { minu, maxv }, { r, g, b, a } }, - { { dstrect->x + dstrect->w, dstrect->y, 0.0f }, { maxu, minv }, { r, g, b, a } }, - { { dstrect->x + dstrect->w, dstrect->y + dstrect->h, 0.0f }, { maxu, maxv }, { r, g, b, a } }, - }; + vertices[0].pos.x = dstrect->x; + vertices[0].pos.y = dstrect->y; + vertices[0].pos.z = 0.0f; + vertices[0].tex.x = minu; + vertices[0].tex.y = minv; + vertices[0].color = color; + + vertices[1].pos.x = dstrect->x; + vertices[1].pos.y = dstrect->y + dstrect->h; + vertices[1].pos.z = 0.0f; + vertices[1].tex.x = minu; + vertices[1].tex.y = maxv; + vertices[1].color = color; + + vertices[2].pos.x = dstrect->x + dstrect->w; + vertices[2].pos.y = dstrect->y; + vertices[2].pos.z = 0.0f; + vertices[2].tex.x = maxu; + vertices[2].tex.y = minv; + vertices[2].color = color; + + vertices[3].pos.x = dstrect->x + dstrect->w; + vertices[3].pos.y = dstrect->y + dstrect->h; + vertices[3].pos.z = 0.0f; + vertices[3].tex.x = maxu; + vertices[3].tex.y = maxv; + vertices[3].color = color; + if (D3D11_UpdateVertexBuffer(renderer, vertices, sizeof(vertices)) != 0) { return -1; } - ID3D11SamplerState *textureSampler = D3D11_RenderGetSampler(renderer, texture); + textureSampler = D3D11_RenderGetSampler(renderer, texture); if (textureData->yuv) { ID3D11ShaderResourceView *shaderResources[] = { textureData->mainTextureResourceView, @@ -2632,26 +2671,32 @@ D3D11_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture, { D3D11_RenderData *rendererData = (D3D11_RenderData *) renderer->driverdata; D3D11_TextureData *textureData = (D3D11_TextureData *) texture->driverdata; + float minu, maxu, minv, maxv; + Float4 color; + Float4X4 modelMatrix; + float minx, maxx, miny, maxy; + VertexPositionColor vertices[4]; + ID3D11SamplerState *textureSampler; D3D11_RenderStartDrawOp(renderer); D3D11_RenderSetBlendMode(renderer, texture->blendMode); - float minu = (float) srcrect->x / texture->w; - float maxu = (float) (srcrect->x + srcrect->w) / texture->w; - float minv = (float) srcrect->y / texture->h; - float maxv = (float) (srcrect->y + srcrect->h) / texture->h; + minu = (float) srcrect->x / texture->w; + maxu = (float) (srcrect->x + srcrect->w) / texture->w; + minv = (float) srcrect->y / texture->h; + maxv = (float) (srcrect->y + srcrect->h) / texture->h; - float r = 1.0f; - float g = 1.0f; - float b = 1.0f; - float a = 1.0f; + color.x = 1.0f; /* red */ + color.y = 1.0f; /* green */ + color.z = 1.0f; /* blue */ + color.w = 1.0f; /* alpha */ if (texture->modMode & SDL_TEXTUREMODULATE_COLOR) { - r = (float)(texture->r / 255.0f); - g = (float)(texture->g / 255.0f); - b = (float)(texture->b / 255.0f); + color.x = (float)(texture->r / 255.0f); /* red */ + color.y = (float)(texture->g / 255.0f); /* green */ + color.z = (float)(texture->b / 255.0f); /* blue */ } if (texture->modMode & SDL_TEXTUREMODULATE_ALPHA) { - a = (float)(texture->a / 255.0f); + color.w = (float)(texture->a / 255.0f); /* alpha */ } if (flip & SDL_FLIP_HORIZONTAL) { @@ -2665,28 +2710,50 @@ D3D11_RenderCopyEx(SDL_Renderer * renderer, SDL_Texture * texture, minv = tmp; } - Float4X4 modelMatrix = MatrixMultiply( + modelMatrix = MatrixMultiply( MatrixRotationZ((float)(M_PI * (float) angle / 180.0f)), MatrixTranslation(dstrect->x + center->x, dstrect->y + center->y, 0) ); D3D11_SetModelMatrix(renderer, &modelMatrix); - const float minx = -center->x; - const float maxx = dstrect->w - center->x; - const float miny = -center->y; - const float maxy = dstrect->h - center->y; + minx = -center->x; + maxx = dstrect->w - center->x; + miny = -center->y; + maxy = dstrect->h - center->y; + + vertices[0].pos.x = minx; + vertices[0].pos.y = miny; + vertices[0].pos.z = 0.0f; + vertices[0].tex.x = minu; + vertices[0].tex.y = minv; + vertices[0].color = color; + + vertices[1].pos.x = minx; + vertices[1].pos.y = maxy; + vertices[1].pos.z = 0.0f; + vertices[1].tex.x = minu; + vertices[1].tex.y = maxv; + vertices[1].color = color; + + vertices[2].pos.x = maxx; + vertices[2].pos.y = miny; + vertices[2].pos.z = 0.0f; + vertices[2].tex.x = maxu; + vertices[2].tex.y = minv; + vertices[2].color = color; + + vertices[3].pos.x = maxx; + vertices[3].pos.y = maxy; + vertices[3].pos.z = 0.0f; + vertices[3].tex.x = maxu; + vertices[3].tex.y = maxv; + vertices[3].color = color; - VertexPositionColor vertices[] = { - {{minx, miny, 0.0f}, {minu, minv}, {r, g, b, a}}, - {{minx, maxy, 0.0f}, {minu, maxv}, {r, g, b, a}}, - {{maxx, miny, 0.0f}, {maxu, minv}, {r, g, b, a}}, - {{maxx, maxy, 0.0f}, {maxu, maxv}, {r, g, b, a}}, - }; if (D3D11_UpdateVertexBuffer(renderer, vertices, sizeof(vertices)) != 0) { return -1; } - ID3D11SamplerState *textureSampler = D3D11_RenderGetSampler(renderer, texture); + textureSampler = D3D11_RenderGetSampler(renderer, texture); if (textureData->yuv) { ID3D11ShaderResourceView *shaderResources[] = { textureData->mainTextureResourceView, @@ -2724,6 +2791,10 @@ D3D11_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect, ID3D11Texture2D *stagingTexture = NULL; HRESULT result; int status = -1; + D3D11_TEXTURE2D_DESC stagingTextureDesc; + D3D11_RECT srcRect; + D3D11_BOX srcBox; + D3D11_MAPPED_SUBRESOURCE textureMemory; /* Retrieve a pointer to the back buffer: */ result = IDXGISwapChain_GetBuffer(data->swapChain, @@ -2737,7 +2808,6 @@ D3D11_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect, } /* Create a staging texture to copy the screen's data to: */ - D3D11_TEXTURE2D_DESC stagingTextureDesc; ID3D11Texture2D_GetDesc(backBuffer, &stagingTextureDesc); stagingTextureDesc.Width = rect->w; stagingTextureDesc.Height = rect->h; @@ -2755,13 +2825,11 @@ D3D11_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect, } /* Copy the desired portion of the back buffer to the staging texture: */ - D3D11_RECT srcRect; if (D3D11_GetViewportAlignedD3DRect(renderer, rect, &srcRect) != 0) { /* D3D11_GetViewportAlignedD3DRect will have set the SDL error */ goto done; } - D3D11_BOX srcBox; srcBox.left = srcRect.left; srcBox.right = srcRect.right; srcBox.top = srcRect.top; @@ -2777,7 +2845,6 @@ D3D11_RenderReadPixels(SDL_Renderer * renderer, const SDL_Rect * rect, &srcBox); /* Map the staging texture's data to CPU-accessible memory: */ - D3D11_MAPPED_SUBRESOURCE textureMemory; result = ID3D11DeviceContext_Map(data->d3dContext, (ID3D11Resource *)stagingTexture, 0, @@ -2828,6 +2895,8 @@ D3D11_RenderPresent(SDL_Renderer * renderer) D3D11_RenderData *data = (D3D11_RenderData *) renderer->driverdata; UINT syncInterval; UINT presentFlags; + HRESULT result; + DXGI_PRESENT_PARAMETERS parameters; if (renderer->info.flags & SDL_RENDERER_PRESENTVSYNC) { syncInterval = 1; @@ -2838,15 +2907,14 @@ D3D11_RenderPresent(SDL_Renderer * renderer) } #if WINAPI_FAMILY == WINAPI_FAMILY_PHONE_APP - HRESULT result = IDXGISwapChain_Present(data->swapChain, syncInterval, presentFlags); + result = IDXGISwapChain_Present(data->swapChain, syncInterval, presentFlags); #else /* The application may optionally specify "dirty" or "scroll" * rects to improve efficiency in certain scenarios. * This option is not available on Windows Phone 8, to note. */ - DXGI_PRESENT_PARAMETERS parameters; SDL_zero(parameters); - HRESULT result = IDXGISwapChain1_Present1(data->swapChain, syncInterval, presentFlags, ¶meters); + result = IDXGISwapChain1_Present1(data->swapChain, syncInterval, presentFlags, ¶meters); #endif /* Discard the contents of the render target.